CN212475398U

CN212475398U - Crushing and unwinding device for pulp powder coiled material raw material

Info

Publication number: CN212475398U
Application number: CN202020950717.3U
Authority: CN
Inventors: 叶兆清; 叶小波; 方斌; 胡志钢; 朱平; 许强
Original assignee: Dangyang Hongyang New Material Technology Co ltd
Current assignee: Dangyang Hongyang New Material Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-05
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a pulp powder coiled material raw material crushing and unreeling device, which comprises a frame, wherein a top frame is supported and installed at the top of the frame, roller supports are respectively supported and installed at the top of the top frame through a top plate symmetrically, roller assemblies are installed on the roller supports, a cross shaft is supported between the rollers, and two sets of axial limiting mechanisms for limiting coiled materials are installed on the cross shaft; and a friction braking device for braking the transverse shaft is arranged at the top of the roller support. This unwinding device can exert certain brake force to unreeling the in-process, to the main shaft of supporting coil, and then the effectual in-process that unreels that prevents leads to because of rotating inertia effect, smashes and unreels unmatched problem, has guaranteed the normal course of technology of the crushing powder process of wood pulp, has guaranteed crushing effect.

Description

Crushing and unwinding device for pulp powder coiled material raw material

Technical Field

The utility model belongs to chemical fiber spinning equipment field especially relates to crushing unwinding device of pulp powder coiled material raw materials.

Background

The wood pulp solution spinning adopts a spinning method of dry jet wet spinning, and the primary process comprises the steps of mixing and dissolving pulp powder and 4-methylmorpholine-N-oxide (NMMO) to form a spinning solution, and then carrying out the subsequent spinning process. The pulp powder is obtained by crushing purchased pulp in a roll shape through a crusher, and because the weight of a coiled material raw material is heavier, the coiled material raw material needs to be supported on an unwinding device in the crushing and unwinding process to realize that the coiled material is unwound and is pulled to be sent into the crusher to be crushed at the same time, wherein in the unwinding process, due to the action of the rotation inertia of the coiled material raw material, the coiled material raw material rotates faster under the support of a rotating shaft, and the coiled material cannot be matched with the crushing operation of the crusher, so that the coiled material is loosened, and the crushing effect of the crusher is influenced.

SUMMERY OF THE UTILITY MODEL

For solving above technical problem, the utility model provides a thick liquid powder coiled material raw materials smashes unwinding device, this unwinding device can exert certain brake force to the main shaft that supports the coiled material to unreeling the in-process, and then effectually prevent to unreel the in-process, leads to because rotate the inertia effect, smashes and unreels unmatched problem, has guaranteed the normal process of the crushing powder process of wood pulp, has guaranteed crushing effect.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: the crushing and unreeling device for pulp powder coiled material comprises a rack, wherein a top frame is supported and installed at the top of the rack, roller supports are symmetrically supported and installed at the top of the top frame through top plates respectively, roller assemblies are installed on the roller supports, a cross shaft is supported between the rollers, and two sets of axial limiting mechanisms for limiting coiled materials are installed on the cross shaft; and a friction braking device for braking the transverse shaft is arranged at the top of the roller support.

The roller support is of a U-shaped structure.

The roller assembly comprises a first main shaft and a second main shaft which are supported on a roller support in parallel, a first supporting roller is supported and installed on the first main shaft, a second supporting roller is supported and installed on the second main shaft, and the roller support is fixedly installed on the top frame through a support bolt.

The axial limiting mechanism comprises a limiting sleeve sleeved on the cross shaft, a locking bolt is installed on the limiting sleeve along the radial direction of the limiting sleeve through thread transmission, and a rotating nut is fixedly installed at the top end of the locking bolt.

The friction braking device comprises an articulated seat fixed on the roller support, an arc hoop is articulated on the articulated seat through a pin shaft, a rubber friction plate is fixed on the inner side wall of the arc hoop, the rubber friction plate is in contact fit with a cross shaft, and the other end of the arc hoop is connected with the top of the roller support through a locking adjusting bolt.

The top end of the top frame is provided with a supporting roller shaft device, the supporting roller shaft device comprises a roller shaft support, the roller shaft support is fixed on the roller support through a bottom plate, and a supporting roller is arranged between the roller shaft support.

And a side limiting baffle ring is fixed at the top edge of the roller support.

The utility model discloses there is following beneficial effect:

1. this unwinding device can exert certain brake force to unreeling the in-process, to the main shaft of supporting coil, and then the effectual in-process that unreels that prevents leads to because of rotating inertia effect, smashes and unreels unmatched problem, has guaranteed the normal course of technology of the crushing powder process of wood pulp, has guaranteed crushing effect.

2. Can support the cross axle through foretell wheel components, can guarantee its normal rotation moreover. The transverse shaft is supported in a rolling manner through the first supporting roller and the second supporting roller.

3. The axial limiting mechanism can axially limit the coiled material core and adapt to coiled material raw materials with different widths.

4. The friction braking device can achieve the purpose of braking in the unreeling process, so that the normal unreeling speed is guaranteed, and the problem of unmatched speed is prevented.

5. The support roller shaft device ensures that the middle part of the coiled material is supported in the unreeling process.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a partial enlarged structure diagram of the present invention.

In the figure: the device comprises a rack 1, a top frame 2, a top plate 3, a roller support 4, a friction braking device 5, a transverse shaft 6, an axial limiting mechanism 7, a coiled material core 8, a bottom plate 9, a roller shaft support 10, a supporting roller 11, a limiting sleeve 12, a locking bolt 13, a rotating nut 14, a support bolt 15, a first supporting roller 16, a pin shaft 17, a hinge seat 18, an arc-shaped hoop 19, a locking adjusting bolt 20, a rubber friction plate 21, a second supporting roller 22, a side limiting baffle ring 23, a second main shaft 24 and a first main shaft 25.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1-2, the crushing and unreeling device for pulp powder coiled material comprises a frame 1, wherein a top frame 2 is supported and installed at the top of the frame 1, roller supports 4 are symmetrically supported and installed at the top of the top frame 2 through a top plate 3 respectively, roller assemblies are installed on the roller supports 4, a cross shaft 6 is supported between the rollers, and two sets of axial limiting mechanisms 7 for limiting coiled materials are installed on the cross shaft 6; and a friction braking device 5 for braking the transverse shaft 6 is arranged at the top of the roller support 4. This unwinding device can exert certain brake force to unreeling the in-process, to the main shaft of supporting coil, and then the effectual in-process that unreels that prevents leads to because of rotating inertia effect, smashes and unreels unmatched problem, has guaranteed the normal course of technology of the crushing powder process of wood pulp, has guaranteed crushing effect. Specifically unreel the in-process, through supporting the coiled material raw materials at cross axle 6, support cross axle 6 at the top of wheel components, pull the raw materials through draw gear, and then realize unreeling the operation, unreeling the in-process, braking cross axle 6 through friction arresting gear 5, guarantee its stable unreeling.

Further, the roller support 4 is of a U-shaped structure. The roller wheel assembly which can be conveniently installed through the U-shaped structure.

Further, the roller assembly comprises a first main shaft 25 and a second main shaft 24 which are supported on the roller support 4 in parallel, the first main shaft 25 is supported and installed with a first supporting roller 16, the second main shaft 24 is supported and installed with a second supporting roller 22, and the roller support 4 is fixedly installed on the top frame 2 through a support bolt 15. The cross shaft 6 can be supported by the roller assemblies, and the normal rotation of the cross shaft can be ensured. The transverse shaft 6 is supported in rolling fashion by means of a first support roller 16 and a second support roller 22.

Further, axial stop gear 7 is including the stop collar 12 of suit on cross axle 6, install locking bolt 13 along its radial direction through screw thread transmission on the stop collar 12, locking bolt 13's top fixed mounting has rotating nut 14. The axial limiting mechanism 7 can axially limit the coiled material core 8 and adapt to coiled material raw materials with different widths. In the adjusting process, the limiting sleeve 12 is slid, after the adjustment is completed, the locking bolt 13 is rotated, and then the limiting sleeve 12 is fixed on the transverse shaft 6 through the locking bolt 13.

Further, friction brake device 5 is including fixing articulated seat 18 on gyro wheel support 4, it has arc hoop 19 to articulate through round pin axle 17 on the articulated seat 18, be fixed with rubber friction disc 21 on the inside wall of arc hoop 19, rubber friction disc 21 and the cooperation of cross axle 6 contact, the other end of arc hoop 19 links to each other with the top of gyro wheel support 4 through locking adjusting bolt 20. Through foretell friction braking device 5 can play the purpose of unreeling in-process braking, and then guarantee normal unwinding speed, prevent that it from taking place the unmatched problem of speed. In the braking process, the locking adjusting bolt 20 is rotated, so that the pressing degree of the arc-shaped hoop 19 to the rubber friction plate 21 is adjusted, the cross shaft 6 is pressed through the rubber friction plate 21, and the friction force is increased.

Further, the top end of top frame 2 is installed with the backing roll axle device, the backing roll axle device includes roller bearing 10, roller bearing 10 passes through the bottom plate 9 to be fixed on roller bearing 4, install backing roll 11 between the roller bearing 10. The support roller shaft device ensures that the middle part of the coiled material is supported in the unreeling process.

Further, a side limit stop ring 23 is fixed on the top edge of the roller support 4. The lateral limit stopper ring 23 can limit the axial direction of the lateral shaft 6.

The utility model discloses a working process and principle do:

firstly, loosening the friction braking device 5, taking out the cross shaft 6, penetrating the cross shaft through a coiled material core 8 of a coiled material raw material, limiting and fixing the coiled material raw material on the cross shaft 6 through an axial limiting mechanism 7, and supporting two ends of the cross shaft 6 at the top of the roller assembly; then, the degree of pressing of the arc-shaped hoop 19 on the rubber friction plate 21 is adjusted by rotating the locking adjusting bolt 20, and the cross shaft 6 is pressed by the rubber friction plate 21, so that the friction force is increased, but the normal rotation of the cross shaft is ensured, and finally, the head of the coiled material bypasses the supporting roller 11, is connected with a traction device, and is continuously fed into the crusher to crush the coiled material.

Claims

1. Crushing unwinding device of thick liquid powder coiled material raw materials which characterized in that: the coiled material rolling machine comprises a rack (1), wherein a top frame (2) is supported and installed at the top of the rack (1), roller supports (4) are symmetrically supported and installed at the top of the top frame (2) through a top plate (3) respectively, roller assemblies are installed on the roller supports (4), a transverse shaft (6) is supported between the rollers, and two sets of axial limiting mechanisms (7) for limiting coiled materials are installed on the transverse shaft (6); and a friction braking device (5) for braking the transverse shaft (6) is arranged at the top of the roller support (4).

2. The pulp powder coiled material crushing and unreeling device as claimed in claim 1, wherein: the roller support (4) is of a U-shaped structure.

3. The pulp powder coiled material crushing and unreeling device as claimed in claim 1, wherein: the roller assembly comprises a first main shaft (25) and a second main shaft (24) which are supported on a roller support (4) in parallel, a first supporting roller (16) is supported and installed on the first main shaft (25), a second supporting roller (22) is supported and installed on the second main shaft (24), and the roller support (4) is fixedly installed on the top frame (2) through a support bolt (15).

4. The pulp powder coiled material crushing and unreeling device as claimed in claim 1, wherein: axial stop gear (7) are including position limiting sleeve (12) of suit on cross axle (6), install locking bolt (13) along its radial direction through screw thread transmission on position limiting sleeve (12), the top fixed mounting of locking bolt (13) has rotating nut (14).

5. The pulp powder coiled material crushing and unreeling device as claimed in claim 1, wherein: friction arresting gear (5) are including fixing articulated seat (18) on gyro wheel support (4), it has arc hoop (19) to articulate through round pin axle (17) on articulated seat (18), be fixed with rubber friction disc (21) on the inside wall of arc hoop (19), rubber friction disc (21) and cross axle (6) contact cooperation, the other end of arc hoop (19) is passed through locking adjusting bolt (20) and is linked to each other with the top of gyro wheel support (4).

6. The pulp powder coiled material crushing and unreeling device as claimed in claim 1, wherein: the top end of top frame (2) is installed the backing roll axle device, the backing roll axle device includes roller bearing (10), roller bearing (10) are fixed on roller bearing (4) through bottom plate (9), install backing roll (11) between roller bearing (10).

7. The pulp powder coiled material crushing and unreeling device as claimed in claim 1, wherein: and a side limiting stop ring (23) is fixed on the top edge of the roller support (4).